Enjoying the small-town atmosphere, RNs, LVNs, CNAs, and allied healthcare personnel flock to Midlothian, Texas to pick up PRN jobs. Situated in the heart of Ellis County, Midlothian offers a unique blend of rural and urban offerings. With a population of just over 20,000, the city is close enough to Dallas to be convenient, yet far enough away to provide a peaceful, family life.